// Make sure that creating a raw ptr next to a shared ref works
// but the shared ref still gets invalidated when the raw ptr is used for writing.

fn main() { unsafe {
    use std::mem;
    let x = &mut 0;
    let y1: &i32 = mem::transmute(&*x); // launder lifetimes
    let y2 = x as *mut _;
    let _val = *y2;
    let _val = *y1;
    *y2 += 1;
    let _fail = *y1; //~ ERROR borrow stack
} }
